The Right Honourable Francis Seymour Conway Earl of Hertford, Lord Lieutenant of Ireland, one of His Majesty's Most Honourable Privy Council, & Knight of the Most Noble Order of the Garter, &c. &c. &c. / [graphic]Dixon, John, approximately 1740-1811, printmaker[approximately 1765]eng"Head and shoulders in an oval wearing a flowered coat with lace frill; lettered state."--British Museum online catalogueTitle engraved below image.After a painting by John Astley; see: Russell, C.E. English mezzotint portraits and their statesState from: Smith, J.C. British mezzotinto portraits.Approximate date of publication based on form of publisher's name in imprint and their listed street address. William Wynne Ryland operated from his Kings Arms address in Cornhill around 1765-1766, and began his partnership with Henry Bryer in 1765; see British Museum online catalogue.Sheet trimmed to plate mark.Window mounted to 45 x 31 cm.Bound in after page 214 in volume 3 of Thomas Mackinlay's extra-illustrated copy of: A catalogue of the classic contents of Strawberry Hill collected by Horace Walpole.